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Diffstat (limited to 'c/src/exec/sapi/include/rtems/io.h')
-rw-r--r-- | c/src/exec/sapi/include/rtems/io.h | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/c/src/exec/sapi/include/rtems/io.h b/c/src/exec/sapi/include/rtems/io.h deleted file mode 100644 index 592fbe08ed..0000000000 --- a/c/src/exec/sapi/include/rtems/io.h +++ /dev/null @@ -1,246 +0,0 @@ -/* io.h - * - * This include file contains all the constants and structures associated - * with the Input/Output Manager. This manager provides a well defined - * mechanism for accessing device drivers and a structured methodology for - * organizing device drivers. - * - * Directives provided are: - * - * + initialize a device driver - * + open a device driver - * + close a device driver - * + read from a device driver - * + write to a device driver - * + special device services - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#ifndef __RTEMS_IO_h -#define __RTEMS_IO_h - -#ifdef __cplusplus -extern "C" { -#endif - -#include <rtems/rtems/status.h> - -/* - * - * The following defines the types for: - * - * + major and minor numbers - * + the return type of a device driver entry - * + a pointer to a device driver entry - * + an entry in the the Device Driver Address Table. Each entry in this - * table corresponds to an application provided device driver and - * defines the entry points for that device driver. - */ - -typedef unsigned32 rtems_device_major_number; -typedef unsigned32 rtems_device_minor_number; - -typedef rtems_status_code rtems_device_driver; - -typedef rtems_device_driver ( *rtems_device_driver_entry )( - rtems_device_major_number, - rtems_device_minor_number, - void * - ); - -typedef struct { - rtems_device_driver_entry initialization; /* initialization procedure */ - rtems_device_driver_entry open; /* open request procedure */ - rtems_device_driver_entry close; /* close request procedure */ - rtems_device_driver_entry read; /* read request procedure */ - rtems_device_driver_entry write; /* write request procedure */ - rtems_device_driver_entry control; /* special functions procedure */ -} rtems_driver_address_table; - -/* - * Table for the io device names - */ - -typedef struct { - char *device_name; - unsigned32 device_name_length; - rtems_device_major_number major; - rtems_device_minor_number minor; -} rtems_driver_name_t; - -/* - * This is the table of device names. - */ - -/* - * The following declare the data required to manage the Driver - * Address Table and Device Name Table. - */ - -EXTERN unsigned32 _IO_Number_of_drivers; -EXTERN rtems_driver_address_table *_IO_Driver_address_table; -EXTERN unsigned32 _IO_Number_of_devices; -EXTERN rtems_driver_name_t *_IO_Driver_name_table; - -/* - * _IO_Manager_initialization - * - * DESCRIPTION: - * - * This routine performs the initialization necessary for this manager. - */ - -STATIC INLINE void _IO_Manager_initialization( - rtems_driver_address_table *driver_table, - unsigned32 number_of_drivers, - unsigned32 number_of_devices -); - -/* - * rtems_io_register_name - * - * DESCRIPTION: - * - * Associate a name with a driver. - * - */ - -rtems_status_code rtems_io_register_name( - char *device_name, - rtems_device_major_number major, - rtems_device_minor_number minor -); - - -/* - * rtems_io_lookup_name - * - * DESCRIPTION: - * - * Find what driver "owns" this name - */ - -rtems_status_code rtems_io_lookup_name( - const char *name, - rtems_driver_name_t **device_info -); - - -/* - * rtems_io_initialize - * - * DESCRIPTION: - * - * This routine implements the rtems_io_initialize directive. It is invoked - * to initialize a device driver or an individual device. - */ - -rtems_status_code rtems_io_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *argument -); - -/* - * rtems_io_open - * - * DESCRIPTION: - * - * This routine implements the rtems_io_open directive. It is invoked - * to open a device. - */ - -rtems_status_code rtems_io_open( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *argument -); - -/* - * rtems_io_close - * - * DESCRIPTION: - * - * This routine implements the rtems_io_close directive. It is invoked - * to close a device. - */ - -rtems_status_code rtems_io_close( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *argument -); - -/* - * rtems_io_read - * - * DESCRIPTION: - * - * This routine implements the rtems_io_read directive. It is invoked - * to read from a device. - */ - -rtems_status_code rtems_io_read( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *argument -); - -/* - * rtems_io_write - * - * DESCRIPTION: - * - * This routine implements the rtems_io_write directive. It is invoked - * to write to a device. - */ - -rtems_status_code rtems_io_write( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *argument -); - -/* - * rtems_io_control - * - * DESCRIPTION: - * - * This routine implements the rtems_io_control directive. It is invoked - * to perform a device specific operation on a device. - */ - -rtems_status_code rtems_io_control( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *argument -); - -/* - * _IO_Initialize_all_drivers - * - * DESCRIPTION: - * - * This routine initializes all of the device drivers configured - * in the Device Driver Address Table. - */ - -void _IO_Initialize_all_drivers( void ); - -#include <rtems/io.inl> - -#ifdef __cplusplus -} -#endif - -#endif -/* end of include file */ |